1) soil and water loss type zoning
水土流失类型分区
3) soil erosion distribution
水土流失分区
1.
The soil distribution and soil nutrient condition are discussed,the type and cause of soil erosion are analysed, and soil erosion index is applied to determin the soil erosion distribution.
本文阐述了扎兰屯市土壤分布规律和土壤养分状况，分析了土壤侵蚀类型及其成因，并根据水土流失分区指标，提出水土流失分区。
4) soil erosion area
水土流失区
1.
Research on Application of Bamboo Species in the Soil Erosion Area;
竹类在水土流失区的应用研究
2.
By using thermal dissipation probe,sap flux density(SFD)of Pinus massoniana was measured at east,west,south and north orientations on trunk during growing season in the soil erosion area of Changting county.
应用热扩散探针测定福建长汀水土流失区生长季马尾松东南西北4个方位的树干液流密度,并比较不同人工治理措施下马尾松树干液流密度的特征,利用自动气象站同步记录环境因子变化,以探讨先锋树种的水分生理生态特征及其对环境变化的响应。
5) corrasive region
水土流失区
1.
Ecological restoration and its effects on grain production in the corrasive region of loess plateau in Shanxi;
陕西黄土高原水土流失区生态退耕对粮食生产的可能影响
2.
The effect of ecological restoration on grain production in the corrasive region of Loess Plateau in Shaanxi is analyzed.
通过对陕西黄土高原水土流失区生态退耕对粮食生产产生的可能影响分析表明:生态退耕将减少粮食产量近30×104t,按1999年该区农业总人口665×104计算,人均减少粮食45 kg。
3.
According to the restoration plan of the corrasive region in Loess Plateau,the effect of ecological restoration on grain production in the corr.
退耕还林是黄土高原水土流失区改善生态环境的一种有效途径,但在一定程度上必然会影响到区域的粮食安全,其中最直接最主要的影响便是退耕带来耕地面积减少,引发粮食总产量的降低。
6) soil loss region
水土流失区
1.
On potential grain yield increase in the soil loss region of Loess Plateau;
黄土高原水土流失区粮食现状与增产潜力研究
补充资料：森林被砍伐将造成大片土地水土流失
森林被砍伐将造成大片土地水土流失
≯i辅摊熏一毯
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条